[INFO] crate symbolic-sourcemap 6.1.3 is already in cache
[INFO] extracting crate symbolic-sourcemap 6.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic-sourcemap/6.1.3
[INFO] extracting crate symbolic-sourcemap 6.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbolic-sourcemap/6.1.3
[INFO] validating manifest of symbolic-sourcemap-6.1.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of symbolic-sourcemap-6.1.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing symbolic-sourcemap-6.1.3
[INFO] finished frobbing symbolic-sourcemap-6.1.3
[INFO] frobbed toml for symbolic-sourcemap-6.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic-sourcemap/6.1.3/Cargo.toml
[INFO] started frobbing symbolic-sourcemap-6.1.3
[INFO] finished frobbing symbolic-sourcemap-6.1.3
[INFO] frobbed toml for symbolic-sourcemap-6.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbolic-sourcemap/6.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing symbolic-sourcemap-6.1.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic-sourcemap/6.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0322b5e13dd46c949ca2aaf9fb7554a3262020f980384a19b1fc6bae34293006
[INFO] running `"docker" "start" "-a" "0322b5e13dd46c949ca2aaf9fb7554a3262020f980384a19b1fc6bae34293006"`
[INFO] [stderr]    Compiling sourcemap v4.1.0
[INFO] [stderr]    Compiling symbolic-sourcemap v6.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `"docker" "inspect" "0322b5e13dd46c949ca2aaf9fb7554a3262020f980384a19b1fc6bae34293006"`
[INFO] running `"docker" "rm" "-f" "0322b5e13dd46c949ca2aaf9fb7554a3262020f980384a19b1fc6bae34293006"`
[INFO] [stdout] 0322b5e13dd46c949ca2aaf9fb7554a3262020f980384a19b1fc6bae34293006
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic-sourcemap/6.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ed33018fae08f2c8b47ff181f83b388ad9d7134b07cbc5d40c5ed2f67ed31666
[INFO] running `"docker" "start" "-a" "ed33018fae08f2c8b47ff181f83b388ad9d7134b07cbc5d40c5ed2f67ed31666"`
[INFO] [stderr]    Compiling symbolic-sourcemap v6.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "ed33018fae08f2c8b47ff181f83b388ad9d7134b07cbc5d40c5ed2f67ed31666"`
[INFO] running `"docker" "rm" "-f" "ed33018fae08f2c8b47ff181f83b388ad9d7134b07cbc5d40c5ed2f67ed31666"`
[INFO] [stdout] ed33018fae08f2c8b47ff181f83b388ad9d7134b07cbc5d40c5ed2f67ed31666
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic-sourcemap/6.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d719c236703ee12f51c366276f9ed27e4461871f798e6483e4e5b7c88082d90a
[INFO] running `"docker" "start" "-a" "d719c236703ee12f51c366276f9ed27e4461871f798e6483e4e5b7c88082d90a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbolic_sourcemap-5cbd27be48a38527
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symbolic-sourcemap
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d719c236703ee12f51c366276f9ed27e4461871f798e6483e4e5b7c88082d90a"`
[INFO] running `"docker" "rm" "-f" "d719c236703ee12f51c366276f9ed27e4461871f798e6483e4e5b7c88082d90a"`
[INFO] [stdout] d719c236703ee12f51c366276f9ed27e4461871f798e6483e4e5b7c88082d90a